COLAR-4COLLAR WITH SET SCREW A simple and effective method for securing gears, pulleys, wheels, etc. Dimension W is the size of the I. D. or corresponding Axle O. D. Sold in bags of 10 pieces only.

x 3/4" (19mm) axles

All components are manufactured in sturdy ABS plastic

Students construct a typical single span truss bridge using miniature plastic representations of structural members in 1:48 scale

impact resistant and rigid

measuring cups

Ideal for all outdoor or professional model construction where model life is critical

Use for Òcracking towersÓ

The goals include becoming familiar with the uses of models

POWER CENTER PACK

An Etra Thick Cyanoacrylate Glue

6000 RPM Motor with pinion gear 1 ClearBox gear box 3 Nylon spacers/position rings 6 30/10 Tooth gears with pinions 1 32 Tooth gear 1 5/32" (4

) or transitions from one size to another when making Òcracking towersÓ for oil processing plants